<html>
<head>
 
<title>A jQuery Drag-and-Drop Number Cards Game</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
 
   <style type="text/css" title="currentStyle" media="screen">

/* Add some margin to the page and set a default font and colour */
 
body {
  margin: 30px;
  font-family: "Georgia", serif;
  line-height: 1.8em;
  color: #333;
}
 
/* Give headings their own font */
 
h1, h2, h3, h4 {
  font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
}
 
/* Main content area */
 
#content {
  margin: 80px 70px;
  text-align: center;
  -moz-user-select: none;
  -webkit-user-select: none;
  user-select: none;
}
 
/* Header/footer boxes */
 
.wideBox {
  clear: both;
  text-align: center;
  margin: 70px;
  padding: 10px;
  background: #ebedf2;
  border: 1px solid #333;
}
 
.wideBox h1 {
  font-weight: bold;
  margin: 20px;
  color: #666;
  font-size: 1.5em;
}
 
/* Slots for final card positions */
 
#cardSlots {
  margin: 50px auto 0 auto;
  background: #ddf;
}
 
/* The initial pile of unsorted cards */
 
#cardPile {
  margin: 0 auto;
  background: #ffd;
}
 
#cardSlots, #cardPile {
  width: 910px;
  height: 120px;
  padding: 20px;
  border: 2px solid #333;
  -moz-border-radius: 10px;
  -webkit-border-radius: 10px;
  border-radius: 10px;
  -moz-box-shadow: 0 0 .3em rgba(0, 0, 0, .8);
  -webkit-box-shadow: 0 0 .3em rgba(0, 0, 0, .8);
  box-shadow: 0 0 .3em rgba(0, 0, 0, .8);
}
 
/* Individual cards and slots */
 
#cardSlots div, #cardPile div {
  float: left;
  width: 58px;
  height: 78px;
  padding: 10px;
  padding-top: 40px;
  padding-bottom: 0;
  border: 2px solid #333;
  -moz-border-radius: 10px;
  -webkit-border-radius: 10px;
  border-radius: 10px;
  margin: 0 0 0 10px;
  background: #fff;
}
 
#cardSlots div:first-child, #cardPile div:first-child {
  margin-left: 0;
}
 
#cardSlots div.hovered {
  background: #aaa;
}
 
#cardSlots div {
  border-style: dashed;
}
 
#cardPile div {
  background: #666;
  color: #fff;
  font-size: 50px;
  text-shadow: 0 0 3px #000;
}
 
#cardPile div.ui-draggable-dragging {
  -moz-box-shadow: 0 0 .5em rgba(0, 0, 0, .8);
  -webkit-box-shadow: 0 0 .5em rgba(0, 0, 0, .8);
  box-shadow: 0 0 .5em rgba(0, 0, 0, .8);
}
 
/* Individually coloured cards */
 
#card1.correct { background: red; }
#card2.correct { background: brown; }
#card3.correct { background: orange; }
#card4.correct { background: yellow; }
#card5.correct { background: green; }
#card6.correct { background: cyan; }
#card7.correct { background: blue; }
#card8.correct { background: indigo; }
#card9.correct { background: purple; }
#card10.correct { background: violet; }
 
 
/* "You did it!" message */
#successMessage {
  position: absolute;
  left: 580px;
  top: 250px;
  width: 0;
  height: 0;
  z-index: 100;
  background: #dfd;
  border: 2px solid #333;
  -moz-border-radius: 10px;
  -webkit-border-radius: 10px;
  border-radius: 10px;
  -moz-box-shadow: .3em .3em .5em rgba(0, 0, 0, .8);
  -webkit-box-shadow: .3em .3em .5em rgba(0, 0, 0, .8);
  box-shadow: .3em .3em .5em rgba(0, 0, 0, .8);
  padding: 20px;
}

div#debug-container {
    font-size: 70%;
    display: block;
    color: blue;
    border: 1px solid blue;
    margin: 0px;
    line-height: normal;
}

div#debug-log {
    white-space: pre;
}

div#debug-title {
    display: inline-block;
}

</style>

<script type="text/javascript" src="/jquery/jquery.js"></script>
<script type="text/javascript" src="/jquery/jquery-ui.js"></script>
 
<script type="text/javascript">
 
jQuery(function ($) {
    var correctCards = 0;
    $(init);

    function init() {
        $('#successMessage').hide();
        $('#successMessage').css( {
            left: '580px',
            top: '250px',
            width: 0,
            height: 0
        });
 
        // Reset the game
        correctCards = 0;
        $('#cardPile').html( '' );
        $('#cardSlots').html( '' );
 
        // Create the pile of shuffled cards
        var numbers = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
        numbers.sort( function() { return Math.random() - .5 } );

        for ( var i=0; i<10; i++ ) {
            $('<div>' + numbers[i] + '</div>').data( 'number', numbers[i])
                    .attr( 'id', 'card'+numbers[i] ).appendTo( '#cardPile')
                    .draggable({
                containment: '#content',
                stack: '#cardPile div',
                cursor: 'move',
                opacity: 0.35,
                revert: true,
                helper: 'clone',
            });

            $('#card' + numbers[i]).click(function (e) {
                dbgpr("click");
            });
        }

        // Create the card slots
        var words = [ 'one', 'two', 'three', 'four', 'five', 
                      'six', 'seven', 'eight', 'nine', 'ten' ];
        for ( var i=1; i<=10; i++ ) {
            $('<div>' + words[i-1] + '</div>').data( 'number', i )
                    .appendTo( '#cardSlots' ).droppable({
                accept: '#cardPile div',
                hoverClass: 'hovered',
                drop: handleCardDrop
            });
        }
    }

    function handleCardDrop( event, ui ) {
        var slotNumber = $(this).data( 'number' );
        var cardNumber = ui.draggable.data( 'number' );
 
        dbgpr("slot", slotNumber, ", card", cardNumber);

        // If the card was dropped to the correct slot,
        // change the card colour, position it directly
        // on top of the slot, and prevent it being dragged
        // again
 
        if ( slotNumber == cardNumber ) {
            ui.draggable.addClass( 'correct' );
            ui.draggable.draggable( 'disable' );
            $(this).droppable( 'disable' );

            ui.helper.position({
                of: $(this),
                my: 'left top',
                at: 'left top'
            });

            ui.draggable.draggable( 'option', 'revert', false );
            correctCards += 1;
        }

        // If all the cards have been placed correctly then display a message
        // and reset the cards for another go
 
        if ( correctCards == 10 ) {
            $('#successMessage').show();
            $('#successMessage').animate( {
                left: '380px',
                top: '200px',
                width: '400px',
                height: '100px',
                opacity: 1
            } );
        }
    }

    function dbgpr () {
        var args = Array.prototype.slice.call(arguments);
        $('#debug-log').prepend(args.join(" ") + "\n");
    }

});

</script>
 
</head>
<body>
 
<div id="content">
 
  <div id="cardPile"> </div>
  <div id="cardSlots"> </div>
 
  <div id="successMessage">
    <h2>You did it!</h2>
    <button onclick="init()">Play Again</button>
  </div>
 
</div>

<div id="debug-container">
  <div id="debug-title">Debug Log:</div>
  <div id="debug-log">&nbsp;</div>
</div>
 
</body>
</html>
